[ARROW-12559] [C++] Add support for Future<MoveOnlyDataType>

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: C++
• Labels: async-util
• External issue URL: https://github.com/apache/arrow/issues/28319
• Assignee: Unassigned
• Reporter: Weston Pace
• Created: 26/Apr/21 22:45
• Updated: 11/Jan/23 08:27

Description

Currently futures don't work for move-only data types since the result may need to be passed to many callbacks.  However, by adding support for a "final" callback it should be possible to move the value out.

Issue Links

• is depended upon by: ARROW-16410 [C++] Scanner -> ScanNode